--- zzzz-none-000/linux-2.6.19.2/arch/powerpc/sysdev/dart.h	2007-01-10 19:10:37.000000000 +0000
+++ davinci-8020-5505/linux-2.6.19.2/arch/powerpc/sysdev/dart.h	2007-01-11 07:38:19.000000000 +0000
@@ -72,6 +72,7 @@
 
 #define DART_PAGE_SHIFT		12
 #define DART_PAGE_SIZE		(1 << DART_PAGE_SHIFT)
+#define DART_PAGE_FACTOR	(PAGE_SHIFT - DART_PAGE_SHIFT)
 
 
 #endif /* _POWERPC_SYSDEV_DART_H */